I was in trouble by dropping the elevator set screw on the tripod and it stopped perfectly in combination with the flute knob. Because it is made of stainless steel, it is strong in rust, the touch of the knob is familiar to the hand and easy to close.

I only use a few of them, I hope the number of bags is small. When buying a cheap foreign made, is the height of the mountain low? Is the mountain of nut low? Tighten it and you will be stupid across the mountain! I think that this product is a good one.

Even if sudden need is received, it will be saved because it arrives the next day. There is no problem as the price is set equal to the cheaper or less than the local trading company retails. I would appreciate it if you could put another one at the same price if you want it. Because there are many cases using even number of screws.